Error 2

[ERROR] gamemodes/starwarsrp/gamemode/libraries/fn.lua:252: attempt to index local 'xs' (a nil value)
  1. isMayor - gamemodes/starwarsrp/gamemode/libraries/fn.lua:252
   2. Init - addons/arivia/lua/arivia/cl/cl_tab_commands.lua:34
    3. Create - lua/includes/extensions/client/panel/scriptedpanels.lua:37
     4. UpdateCommands - addons/arivia/lua/arivia/cl/cl_init.lua:800
      5. Init - addons/arivia/lua/arivia/cl/cl_init.lua:461
       6. Create - lua/includes/extensions/client/panel/scriptedpanels.lua:37
        7. openF4Menu - addons/arivia/lua/arivia/cl/cl_init.lua:1136
         8. Call - addons/arivia/lua/arivia/cl/cl_init.lua:1158
          9. unknown - gamemodes/starwarsrp/gamemode/modules/base/cl_gamemode_functions.lua:62